Bug 1348779 (CVE-2015-8931)

Summary:	CVE-2015-8931 libarchive: Undefined behavior (signed integer overflow) in mtree parser
Product:	[Other] Security Response	Reporter:	Doran Moppert <dmoppert>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	anemec, ndevos, praiskup, slawomir
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	libarchive 3.2.0	Doc Type:	If docs needed, set a value
Doc Text:	Undefined behavior (signed integer overflow) was discovered in libarchive, in the MTREE parser's calculation of maximum and minimum dates. A crafted mtree file could potentially cause denial of service.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2016-10-18 04:59:38 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	1352776, 1353065, 1353066
Bug Blocks:	1334215

Description Doran Moppert 2016-06-22 04:20:49 UTC

Undefined behaviour (signed integer overflow) was discovered in libarchive,
in the MTREE parser's calculation of maximum and minimum dates.

Upstream bug:
    https://github.com/libarchive/libarchive/issues/539

Upstream fix:
    https://github.com/libarchive/libarchive/commit/b31744d

Comment 1 Doran Moppert 2016-07-05 04:38:12 UTC

Created libarchive tracking bugs for this issue:

Affects: fedora-all [bug 1352776]

Comment 3 Pavel Raiskup 2016-07-11 06:29:51 UTC

FTR: Also 11f6da24 should be backported.

Comment 5 errata-xmlrpc 2016-09-12 20:14:45 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2016:1844 https://rhn.redhat.com/errata/RHSA-2016-1844.html